12789939348 has 72 divisors (see below), whose sum is σ = 32589648000. Its totient is φ = 4229222976.

The previous prime is 12789939269. The next prime is 12789939353. The reversal of 12789939348 is 84393998721.

12789939348 is a `hidden beast` number, since 127 + 89 + 9 + 393 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2569390 + ... + 2574362.

It is an arithmetic number, because the mean of its divisors is an integer number (452634000).

Almost surely, 2^12789939348 is an apocalyptic number.

12789939348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12789939348 is an abundant number, since it is smaller than the sum of its proper divisors (19799708652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12789939348 is a wasteful number, since it uses less digits than its factorization.

12789939348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541 (or 5536 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The spelling of 12789939348 in words is "twelve billion, seven hundred eighty-nine million, nine hundred thirty-nine thousand, three hundred forty-eight".